问题
解答题
化简分式:
|
答案
原式=
+5x (x+3)(x-2)
-2x-5 (x+3)(x-4) 7x-10 (x-2)(x-4)
=5x(x-4)+(2x-5)(x-2)-(7x-10)(x+3) (x+3)(x-2)(x-4)
=
.-40x+40 (x+3)(x-2)(x-4)
化简分式:
|
原式=
+5x (x+3)(x-2)
-2x-5 (x+3)(x-4) 7x-10 (x-2)(x-4)
=5x(x-4)+(2x-5)(x-2)-(7x-10)(x+3) (x+3)(x-2)(x-4)
=
.-40x+40 (x+3)(x-2)(x-4)